Scrap Wiki

Last Updated: September 7, 2026

CPU Scrap Classification Guide: 9 Grades | Ohata

Identify CPU scrap by package material, gold cap, pins, contacts and condition. Compare nine Ohata grades from CPU-SSS to CPU-Fbefore recycling.

CPU

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Last Updated: September 5, 2026

Large Plastic CPU Socket Identification Guide | Ohata

Learn how Ohata measures a large plastic PGA CPU socket: both outer dimensions must be at least 50mm. See qualifying boards, exclusions and photo examples.

CPU Desktop Motherboard Circuit Board

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Last Updated: September 5, 2026

HDD Non-SATA Board Scrap Wiki | Ohata IDE, ATA, EIDE & SCSI HDD Controller Board Identification Guide

Learn about the Ohata HDD Non-SATA Board Classification with this educational wiki covering IDE (PATA), ATA, EIDE, and SCSI hard drive controller board identification, electronic components, recoverable materials, buying standards, scrap value factors, AI image recognition, recycling processes, and the differences between SATA and Non-SATA HDD boards.

Hard Disk Drive(HDD) Non-SATA Board Hard Disk Drive Featured

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Last Updated: September 5, 2026

HDD Board Scrap Classification: SATA vs. Non-SATA | Ohata

Compare HDD SATA and non-SATA controller board scrap, identify connector types, avoid SAS and SSD misclassification, and review Ohata grades and condition rules.

Hard Disk Drive(HDD) Non-SATA Board Hard Disk Drive(HDD) SATA Board Featured

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Last Updated: September 4, 2026

HDD SATA Board Scrap Identification Guide | Ohata

Identify HDD SATA board scrap by its 7-pin data and 15-pin power connectors. Compare SATA and non-SATA boards and review Ohata buying conditions.

Hard Disk Drive(HDD) SATA Board Featured Hard Disk Drive

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Last Updated: September 4, 2026

Apple MacBook Logic Board Scrap: A+ Grade Guide | Ohata

Identify Apple MacBook logic board scrap, compare Intel and Apple silicon boards, and review OhataA+ Grade, condition, sorting, and buying criteria.

Apple Desktop Motherboard Apple Laptop Motherboards Desktop Motherboard Featured

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Last Updated: August 29, 2026

RAM B Grade Scrap | Ohata RAM Classification Wiki

Identify RAM-B Grade scrap by attached heat spreaders, decorative covers, silver-colored contacts, and trimmed connector edges. Learn how to examine desktop and laptop RAM, safely handle removable covers, compare RAM-B with other RAM grades, and understand how completeness and condition affect classification.

PC Memory(RAM)

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Last Updated: August 29, 2026

RAM A Grade Scrap | Ohata RAM Classification Wiki

Identify RAM-A scrap from complete, uncovered desktop DIMMs and laptop SO-DIMMs with intact gold-plated edge contacts. Learn how module format, IC population, connector condition, covers, completeness, and damage affect classification. Compare RAM-A with RAM-S, RAM-B, RAM-C, and RAM-D across DDR through DDR5 memory.

PC Memory(RAM)

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Last Updated: August 29, 2026

RAM S Grade Scrap | Ohata RAM Classification Wiki

Identify RAM-S scrap by its gold fingers, high IC density, registered or buffered construction, and enterprise server-memory layout. Learn how ECC, RDIMM, and LRDIMM features support identification. Compare RAM-S with RAM-A, RAM-B, RAM-C, and RAM-D, and understand how covers, completeness, damage, and contamination affect classification.

PC Memory(RAM)

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Last Updated: August 28, 2026

Appliance B Grade Board Scrap Identification Guide

Identify Appliance B Grade board scrap by low IC density, simple control circuits, open PCB areasand basic power components. Compare B vs A before sorting.

Circuit Board Desktop Motherboard

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Last Updated: August 28, 2026

Appliance A Grade Board Scrap: Identification Guide

Identify Appliance A Grade board scrap from HVAC units, washers, printers and vending machines.Compare A vs B grades, components, condition and sorting rules.

Circuit Board

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Last Updated: August 28, 2026

D Grade Board Scrap: Metal-Socket Desktop & Console Guide

Identify D Grade scrap from metal-socket desktop motherboards, verified console boards, low-density cards and graphicsboards with large cooling hardware.

Circuit Board Desktop Motherboard

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Last Updated: August 27, 2026

C Grade Circuit Board Scrap: Desktop & Expansion Card Guide

Identify C Grade scrap from single-socket plastic PGA servers, desktop socket groups 2, 4, 6, 7 or 9, trimmed cards andconsumer graphics boards.

Circuit Board Desktop Motherboard

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Last Updated: August 27, 2026

B Grade Circuit Board Scrap: Server & Desktop Board Guide

Identify B Grade scrap from two-socket plastic PGA server boards, selected desktop socket groups, lower-tier telecom boardsand peripheral interface cards.

Circuit Board Desktop Motherboard

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Last Updated: August 27, 2026

A+ Grade Circuit Board Scrap: Industrial & Apple PCB Guide

Identify A+ Grade board scrap from Apple logic boards, SATA HDD controllers, PLCs, CNC systems, industrial controls, and selected servers. Learn how component density, processors, connectors, completeness, and condition affect classification.

Circuit Board Desktop Motherboard

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